sly and aw is an abbreviation for the phrase: "I still love you and always will". this shorter version can be used in cell phone messages or chat messages.

Bruce got dumped by Rossella, altough he was very pissed and couldn't forgive her for wat she did to him, bruce still loves her and always will because she is the most special, beautifull and adorable prinsess in hole western europe. Every time he'll end a message to her with the words sly and aw.